CN207300535U - A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism - Google Patents
A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism Download PDFInfo
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- CN207300535U CN207300535U CN201721035291.3U CN201721035291U CN207300535U CN 207300535 U CN207300535 U CN 207300535U CN 201721035291 U CN201721035291 U CN 201721035291U CN 207300535 U CN207300535 U CN 207300535U
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- wind tunnel
- threaded rod
- tunnel model
- aeroelasticity
- guide rail
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Abstract
The utility model discloses a kind of aeroelasticity wind tunnel model to become center of gravity mechanism, belongs to aeroelasticity wind-tunnel technique field.Including：Wind tunnel model, threaded rod, quality box, guide rail and driving mechanism, the threaded rod passes through the side of quality box, and is installed with quality box thread fitting, and its one end is installed on the inside of wind tunnel model, and the other end is connected with driving mechanism；The guide rail passes through the opposite side of quality box, its both ends is fixed respectively, and is arranged in parallel with the threaded rod；Mass block is placed with the quality box, driving mechanism drives threaded rod to rotate, drives the quality box to be moved along the guide rail, realize the movement of mass block, so as to fulfill the distribution of quality is controlled during blowing.The utility model aeroelasticity wind tunnel model becomes center of gravity mechanism, can realize that Mass Distribution changes under blowing state in aeroelasticity wind tunnel model, changes influence to aeroelasticity phenomenon available for Mass Distribution in various aeroelasticity wind tunnel tests is studied.
Description
Technical field
The utility model belongs to aeroelasticity wind-tunnel technique field, and in particular to a kind of aeroelasticity wind tunnel model becomes
Center of gravity mechanism.
Background technology
Wind tunnel test is the necessary means of solution and definite aeroelasticity relevant issues parameter in many engineerings.Pneumatic bomb
Property wind tunnel test be understand elastomer mechanical behavior under airflow function important means.Aeroelasticity phenomenon include inertia force,
The factor such as elastic force and aerodynamic force.In the experiment for having inertia force to participate in, Mass Distribution attracts attention.
, it is necessary to stop wind tunnel test between two states, the latter state is needed from new existing centre of gravity adjustment scheme
Wind speed is brought up into the test wind, can not realize the distribution shape for adjusting quality under blowing state in aeroelasticity wind tunnel model
State, causes the consumption of the energy and time, further results in the increase of experimentation cost.
Utility model content
The purpose of this utility model：To solve the above-mentioned problems, the utility model proposes a kind of aeroelasticity wind-tunnel mould
Xing Bian centers of gravity mechanism, is rotated by the electric motor driven screw in wind tunnel model, the movement of weight is realized, so as to fulfill drying
Mass Distribution is controlled in journey.
The technical solution of the utility model：A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism, including：Wind tunnel model, spiral shell
Rasp bar, quality box, guide rail and driving mechanism,
The threaded rod passes through the side of quality box, and is installed with quality box thread fitting, and its one end is installed on wind-tunnel mould
The inside of type, the other end are connected with driving mechanism；
The guide rail passes through the opposite side of quality box, its both ends is fixed respectively, and is arranged in parallel with the threaded rod；
Mass block is placed with the quality box, driving mechanism drives threaded rod to rotate, and drives the quality box described in
Guide rail moves, and realizes the movement of mass block, so as to fulfill the distribution of quality is controlled during blowing.
Preferably, the inner cavity of the wind tunnel model is provided with a pack support, and the stent is fixedly mounted on the wind-tunnel mould
In type, the threaded rod both ends are hinged with stent respectively；
The both ends of the guide rail are fixed on the bracket.
By setting stent to reduce the structural strength of wind tunnel model, without increasing it for fixed thread bar and guide rail
The wall thickness of installation section.
Preferably, the threaded rod both ends are rack-mount by bearing, reduce the friction between threaded rod and stent
Power, rotates threaded rod smooth.
Preferably, the stent is T-shaped, including a level board and a vertical plate, and the level board is perpendicular to described
Threaded rod is placed；
The threaded rod and guide rail are separately positioned on the both sides of the level board.
Installation requirement is not only met using the stent of T-type structure, but also saves installation space.
Preferably, the driving mechanism includes motor, and the motor is arranged in the wind tunnel model, and by cable with
The control device connection being arranged on outside pneumatic model；
One end of the threaded rod is connected through the stent with the motor.
Operating personnel operate in wind tunnel model external control motor, realize and Mass Distribution is completed during blowing, without
Out-of-blast state.
Preferably, the quality box sets position sensor, is capable of the position data of reading quality box, judges quality box
Whether designated position is reached, easy to analyze influence of the Mass Distribution to aeroelasticity phenomenon.
Preferably, the guide rail is the smooth guide rod in surface, it is provided at both ends with screw thread, and is fastened on institute by nut
State on stent, can ensure that quality box is free to slide along guide rail.
The advantageous effects of technical solutions of the utility model：The utility model aeroelasticity wind tunnel model becomes center of gravity machine
Structure, can realize that Mass Distribution changes under blowing state in aeroelasticity wind tunnel model, available for studying various aeroelasticities
Mass Distribution changes the influence to aeroelasticity phenomenon in wind tunnel test, so as to instruct the practical activities such as scientific research, production, has
Beneficial effect.
Brief description of the drawings
Fig. 1 is the structure diagram for the preferred embodiment that the utility model aeroelasticity wind tunnel model becomes center of gravity mechanism；
Wherein, 1- wind tunnel models, 2- threaded rods, 3- mass boxes, 4- stents, 5- motors, 6- guide rails.
Embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Described reality
It is the utility model part of the embodiment to apply example, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and it is not intended that limitation to the utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.The embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicates or imply and is signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism, including：Wind tunnel model 1, threaded rod 2, quality box 3, guide rail 6 and
Driving mechanism,
Threaded rod 2 passes through the side of 3 bottom of quality box, and its one end is installed on the inside of wind tunnel model 1, the other end and driving
Mechanism connects；Threaded rod 3 uses motion thread, and matches with the screw thread of quality box 3；In 3 rotation process of threaded rod, screw thread
Bar 3 promotes quality box 3 to move back and forth.
Guide rail 6 passes through the opposite side of quality box 3, its both ends is fixed respectively, and is arranged in parallel with threaded rod 2, makes quality box 3
Along guide rail smooth sliding and do not derail.
Mass block is placed with quality box 3, driving mechanism drives threaded rod 2 to rotate, and then drives quality box 3 along guide rail 6
It is mobile；The movement of mass block is realized, so as to fulfill the distribution of quality is controlled during blowing.
In the present embodiment, the inner cavity of wind tunnel model 1 is provided with a pack support 4, and stent 4 is fixedly mounted in wind tunnel model 1,
2 both ends of threaded rod are hinged with stent 4 respectively, and the both ends of guide rail 6 are fixed on stent 4.
By setting stent 4 to be used as the installation pedestal of fixed thread bar 2 and guide rail 6, the structure of wind tunnel model can be reduced
Intensity, without increasing the wall thickness of its installation section for fixed thread bar and guide rail, reduces the manufacture difficulty of wind tunnel model 1.
In the present embodiment, stent 4 is T-shaped, including a level board and a vertical plate, and level board is perpendicular to threaded rod 2
Place, threaded rod 2 and guide rail 6 are separately positioned on the both sides of level board, installation requirement had not only been met using the stent 4 of T-type structure but also
Save installation space.
It is appreciated that：Stent 4 can also use other forms, such as cross.
In the present embodiment, 2 both ends of threaded rod are installed on stent 4 by bearing, using such a mounting means, can be reduced
Frictional force between threaded rod and stent, rotates threaded rod smooth, its is easy for installation, has operated.
It is appreciated that：2 both ends of threaded rod can also be installed on stent 4 by way of installing bushing additional, equally may be used
To realize the purpose for reducing the frictional force between threaded rod and stent；The mode for reducing the frictional force between threaded rod and stent has
Many kinds, just do not repeat one by one at this.
In the present embodiment, driving mechanism includes motor 5, and motor 5 is arranged in wind tunnel model 1, and by cable with setting
Control device connection outside pneumatic model 1, one end of threaded rod 2 is connected through stent 4 with motor 5.
During wind tunnel test, operating personnel operate in wind tunnel model external control motor 5, realize during blowing
Mass Distribution is completed, without out-of-blast state, avoids the need for, when two states switch, new wind speed being brought up to experiment wind
The energy caused by speed and the consumption of time.
It is appreciated that：Driving device can also use other equipment to provide power, can be by the way that threaded rod 2 is passed through
Wind tunnel model 1 is connected with the handle being arranged on outside wind tunnel model 1, drives threaded rod 2 to rotate by rotational handle, and then realize
The movement of quality box 3.
In the present embodiment, quality box 3 set position sensor, for measure quality box 3 the position being presently in and
Moving displacement, facilitates whether testing crew quality box 3 reaches designated position, easy to analyze Mass Distribution to aeroelasticity phenomenon
Influence.
In the present embodiment, guide rail 6 is the smooth guide rod in surface, it is provided at both ends with screw thread, and is fastened on by nut
On stent 4, made of guide rod, convenient materials make, and save cost.Its body structure surface is smooth, can ensure 3 edge of quality box
Its is free to slide.
A kind of aeroelasticity wind tunnel model of the utility model becomes center of gravity mechanism, is realized and pushed away using the screw rod with motion thread
Kinoplaszm gauge block moves, spacing using movement progress of the guide rail to mass block, provides power using motor, electric motor driven screw turns
It is dynamic, the movement of weight is realized, so as to fulfill Mass Distribution is controlled during blowing.
It is last it is to be noted that：Above example is only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should manage
Solution：It can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model
The spirit and scope of technical solution.
Claims (7)
1. a kind of aeroelasticity wind tunnel model becomes center of gravity mechanism, it is characterised in that including：Wind tunnel model (1), threaded rod (2), matter
Measure box (3), guide rail (6) and driving mechanism；
The threaded rod (2) passes through the side of quality box (3), and is installed with quality box (3) thread fitting, and its one end is installed on wind
The inside of hole model (1), the other end are connected with driving mechanism；
The guide rail (6) passes through the opposite side of quality box (3), its both ends fixes respectively, and parallel with the threaded rod (2) sets
Put；
Mass block is placed with the quality box (3), driving mechanism drives threaded rod (2) to rotate, drives quality box (3) edge
The guide rail (6) is mobile.
2. aeroelasticity wind tunnel model according to claim 1 becomes center of gravity mechanism, it is characterised in that：The wind tunnel model
(1) inner cavity is provided with a pack support (4), and the stent (4) is fixedly mounted in the wind tunnel model (1)；
Threaded rod (2) both ends are hinged with stent (4) respectively；
The both ends of the guide rail (6) are fixed on the stent (4).
3. aeroelasticity wind tunnel model according to claim 2 becomes center of gravity mechanism, it is characterised in that：The threaded rod (2)
Both ends are installed on stent (4) by bearing.
4. aeroelasticity wind tunnel model according to claim 2 becomes center of gravity mechanism, it is characterised in that：The stent (4) is in T
Type, including a level board and a vertical plate, the level board are placed perpendicular to the threaded rod (2)；
The threaded rod (2) and guide rail (6) are separately positioned on the both sides of the level board.
5. aeroelasticity wind tunnel model according to claim 2 becomes center of gravity mechanism, it is characterised in that：The driving mechanism bag
Motor (5) is included, the motor (5) is arranged in the wind tunnel model (1), and by cable and is arranged on pneumatic model (1) outside
The control device connection in portion；
One end of the threaded rod (2) is connected through the stent (4) with the motor (5).
6. aeroelasticity wind tunnel model according to claim 1 becomes center of gravity mechanism, it is characterised in that：The quality box (3)
Position sensor is set.
7. aeroelasticity wind tunnel model according to claim 2 becomes center of gravity mechanism, it is characterised in that：The guide rail (6) is
The smooth guide rod in surface, it is provided at both ends with screw thread, and is fastened on by nut on the stent (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035291.3U CN207300535U (en) | 2017-08-18 | 2017-08-18 | A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035291.3U CN207300535U (en) | 2017-08-18 | 2017-08-18 | A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207300535U true CN207300535U (en) | 2018-05-01 |
Family
ID=62444656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035291.3U Active CN207300535U (en) | 2017-08-18 | 2017-08-18 | A kind of aeroelasticity wind tunnel model becomes center of gravity mechanism |
Country Status (1)
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| CN (1) | CN207300535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019142440A (en) * | 2018-02-23 | 2019-08-29 | 本田技研工業株式会社 | Flight condition inspection system, and flight condition inspection method and program |
-
2017
- 2017-08-18 CN CN201721035291.3U patent/CN207300535U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019142440A (en) * | 2018-02-23 | 2019-08-29 | 本田技研工業株式会社 | Flight condition inspection system, and flight condition inspection method and program |
| WO2019163523A1 (en) * | 2018-02-23 | 2019-08-29 | 本田技研工業株式会社 | Flight status inspection system, flight status inspection method, and program |
| JP7044584B2 (en) | 2018-02-23 | 2022-03-30 | 本田技研工業株式会社 | Flight condition inspection system, flight condition inspection method and program |
| US11511890B2 (en) | 2018-02-23 | 2022-11-29 | Honda Motor Co., Ltd. | Flight status inspection system, flight status inspection method, and non-transitory computer-readable recording medium storing program |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Biao Inventor after: Yu Jiaxin Inventor after: Wang Hezhe Inventor after: Cang Feng Inventor after: Tuo Chaozhi Inventor before: Wang Biao Inventor before: Yu Jiaxin Inventor before: Wang Hezhe Inventor before: Cang Feng Inventor before: Tuo Chaozhi |